Campo Alegre (Portuguese or Spanish: happy field) may refer to:

• Campo Alegre, a neighbourhood in Caracas, Venezuela.
• Campo Alegre, Oporto, a parish in Oporto, Portugal.
• Campo Alegre, Alagoas, a Brazilian municipality in the state of Alagoas
• Campo Alegre, Puerto Rico, a space for farmers' market in the District of Santurce
• Campo Alegre, Santa Catarina, a Brazilian municipality in the state of Santa Catarina
• Campo Alegre, an open-air brothel in Curaçao